Vivek Gadge <vvkgadge56@xxxxxxxxx> writes: > I am encountering an error after completion of PostgreSQL upgradation from > version 13.8 to 15.6. Trying to describe a single table, I am receiving an > error. > psql: symbol lookup error: psql: undefined symbol: PQmblenBounded This indicates that your psql executable is linking to an old version of libpq.so. (Running "ldd" on the psql file should confirm that.) You may have a problem with the library search path being used by the dynamic loader. regards, tom lane
