On Mon, Sep 12, 2022 at 06:49:21PM +0530, shashidhar Reddy wrote: > > I am in a process of upgrading postgres 12 to 13 on ubuntu. When I am > running the test getting error could not load library > "$libdir/plugin_debugger": ERROR: could not load library > "/usr/lib/postgresql/13/lib/plugin_debugger.so": > /usr/lib/postgresql/13/lib/plugin_debugger.so: undefined symbol: elog_finish
It looks like you're trying to load the version compiled for pg 12, as elog_finish was removed in pg13.