On 02.02.2021 3:53, Tom Lane wrote: > rob stone <floriparob@xxxxxxxxx> writes: >> Columns:- maincontact boolean DEFAULT false, >> publdatacontact boolean DEFAULT false, >> invcontact boolean DEFAULT false, >> queries_recipient boolean, >> fakelastname boolean NOT NULL DEFAULT false, >> are defined as booleans and all except one have defaults declared, yet >> you are passing NULL's which the insert tries to cast to boolean. >> Maybe this is the cause of the error?? > Oooh ... if we posit that the statement is expected to throw an error, > maybe what this error is complaining about is an inability to translate > a localized error message to the client's encoding. This could reflect > an incorrectly-encoded .po file, for example. So what we need to know > next is what lc_messages setting Jiří is using, and also the server > and client encodings. Still, this does not explain why it sometimes work and why the byte sequence in the error message changes on every run, no? I'm getting the error even when I changes the boolean fields from NULL to FALSE. Client and server encoding is UTF8. Locales are set to C.UTF8.