I created database dump on server version 8.3.7 and trying to import it to server v. 8.1.18, but i see errors.
CREATE DOMAIN
dump.sql:20: ERROR: role "userarm" does not exist
dump.sql:26: ERROR: type "pg_catalog.gtsvector" does not exist
dump.sql:29: ERROR: role "userarm" does not exist
CREATE TYPE
dump.sql:42: ERROR: role "userarm" does not exist
CREATE TYPE
dump.sql:54: ERROR: role "userarm" does not exist
CREATE TYPE
dump.sql:67: ERROR: role "userarm" does not exist
dump.sql:80: ERROR: type "pg_catalog.tsvector" does not exist
dump.sql:83: ERROR: role "userarm" does not exist
dump.sql:89: ERROR: type "pg_catalog.tsquery" does not exist
dump.sql:92: ERROR: role "userarm" does not exist
dump.sql:98: ERROR: type "pg_catalog.tsvector" does not exist
dump.sql:101: ERROR: role "userarm" does not exist
CREATE DOMAIN
dump.sql:110: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:121: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:132: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:143: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:154: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:165: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:176: ERROR: role "userarm" does not exist
CREATE FUNCTION
dump.sql:187: ERROR: role "userarm" does not exist
dump.sql:213: ERROR: type "tsdebug" does not exist
dump.sql:216: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:233: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:250: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:267: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:286: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:303: ERROR: role "userarm" does not exist
CREATE OPERATOR
dump.sql:320: ERROR: role "userarm" does not exist
SET
SET
CREATE TABLE
dump.sql:339: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:356: ERROR: role "userarm" does not exist
SET
CREATE TABLE
dump.sql:377: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:390: ERROR: role "userarm" does not exist
setval
126
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:415: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:428: ERROR: role "userarm" does not exist
setval
23
1 запис(ь/и/ей) CREATE TABLE
dump.sql:451: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:466: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:485: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:521: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:534: ERROR: role "userarm" does not exist
setval
168
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:575: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:588: ERROR: role "userarm" does not exist
setval
308
1 запис(ь/и/ей) CREATE TABLE
dump.sql:618: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:639: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:653: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:666: ERROR: role "userarm" does not exist
setval
53
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:691: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:705: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:721: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:735: ERROR: role "userarm" does not exist
setval
1
1 запис(ь/и/ей) CREATE TABLE
dump.sql:754: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:767: ERROR: role "userarm" does not exist
setval
29
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:795: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:808: ERROR: role "userarm" does not exist
setval
9
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:838: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:851: ERROR: role "userarm" does not exist
setval
66
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:872: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:885: ERROR: role "userarm" does not exist
setval
52
1 запис(ь/и/ей) dump.sql:971: ERROR: unterminated quoted string at or near "'
adp_always smallint DEFAULT 1 NOT NULL,
adp_days integer DEFAULT 1 NOT NULL,
adp_hours integer DEFAULT 0 NOT NULL,
adp_mins integer DEFAULT 0 NOT NULL,
adp_secs integer DEFAULT 0 NOT NULL,
CONSTRAINT phpbb_forums_display_on_index_check CHECK ((display_on_index >= 0)),
CONSTRAINT phpbb_forums_display_subforum_list_check CHECK ((display_subforum_list >= 0)),
CONSTRAINT phpbb_forums_enable_icons_check CHECK ((enable_icons >= 0)),
CONSTRAINT phpbb_forums_enable_indexing_check CHECK ((enable_indexing >= 0)),
CONSTRAINT phpbb_forums_enable_prune_check CHECK ((enable_prune >= 0)),
CONSTRAINT phpbb_forums_forum_desc_options_check CHECK ((forum_desc_options >= 0)),
CONSTRAINT phpbb_forums_forum_last_post_id_check CHECK ((forum_last_post_id >= 0)),
CONSTRAINT phpbb_forums_forum_last_post_time_check CHECK ((forum_last_post_time >= 0)),
CONSTRAINT phpbb_forums_forum_last_poster_id_check CHECK ((forum_last_poster_id >= 0)),
CONSTRAINT phpbb_forums_forum_posts_check CHECK ((forum_posts >= 0)),
CONSTRAINT phpbb_forums_forum_rules_options_check CHECK ((forum_rules_options >= 0)),
CONSTRAINT phpbb_forums_forum_style_check CHECK ((forum_style >= 0)),
CONSTRAINT phpbb_forums_forum_topics_check CHECK ((forum_topics >= 0)),
CONSTRAINT phpbb_forums_forum_topics_real_check CHECK ((forum_topics_real >= 0)),
CONSTRAINT phpbb_forums_left_id_check CHECK ((left_id >= 0)),
CONSTRAINT phpbb_forums_parent_id_check CHECK ((parent_id >= 0)),
CONSTRAINT phpbb_forums_prune_days_check CHECK ((prune_days >= 0)),
CONSTRAINT phpbb_forums_prune_freq_check CHECK ((prune_freq >= 0)),
CONSTRAINT phpbb_forums_prune_next_check CHECK ((prune_next >= 0)),
CONSTRAINT phpbb_forums_prune_viewed_check CHECK ((prune_viewed >= 0)),
CONSTRAINT phpbb_forums_right_id_check CHECK ((right_id >= 0))
);" at character 2885
dump.sql:974: ERROR: relation "public.phpbb_forums" does not exist
CREATE TABLE
dump.sql:989: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1005: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1021: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1034: ERROR: role "userarm" does not exist
setval
18
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1082: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1095: ERROR: role "userarm" does not exist
setval
10
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1120: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1133: ERROR: role "userarm" does not exist
setval
4
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1156: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1169: ERROR: role "userarm" does not exist
setval
13694
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1201: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1214: ERROR: role "userarm" does not exist
setval
9
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1242: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1255: ERROR: role "userarm" does not exist
setval
72
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1284: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1297: ERROR: role "userarm" does not exist
setval
3
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1317: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1337: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1350: ERROR: role "userarm" does not exist
setval
198
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1383: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1399: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1415: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1428: ERROR: role "userarm" does not exist
setval
48215
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1488: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1501: ERROR: role "userarm" does not exist
setval
6464
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1551: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1564: ERROR: role "userarm" does not exist
setval
1
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1587: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1600: ERROR: role "userarm" does not exist
setval
3
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1632: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1661: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1675: ERROR: role "userarm" does not exist
setval
1
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1716: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1728: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1746: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1763: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1776: ERROR: role "userarm" does not exist
setval
23
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1800: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1813: ERROR: role "userarm" does not exist
setval
226
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1844: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1857: ERROR: role "userarm" does not exist
setval
6
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1879: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1892: ERROR: role "userarm" does not exist
setval
12192
1 запис(ь/и/ей) CREATE TABLE
dump.sql:1917: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1932: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:1945: ERROR: role "userarm" does not exist
setval
112345
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:1968: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:1984: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:2015: ERROR: role "userarm" does not exist
CREATE TABLE
dump.sql:2031: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:2045: ERROR: role "userarm" does not exist
setval
1
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:2067: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:2080: ERROR: role "userarm" does not exist
setval
94
1 запис(ь/и/ей) CREATE TABLE
dump.sql:2109: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:2122: ERROR: role "userarm" does not exist
setval
12
1 запис(ь/и/ей)
CREATE TABLE
dump.sql:2150: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:2163: ERROR: role "userarm" does not exist
setval
7
1 запис(ь/и/ей) CREATE TABLE
dump.sql:2184: ERROR: role "userarm" does not exist
CREATE SEQUENCE
dump.sql:2197: ERROR: role "userarm" does not exist
setval
591
1 запис(ь/и/ей)
What could be a problem and is there a solution?