The following bug has been logged on the website:
Bug reference: 16229
Logged by: Esteban Vallejo
Email address: esteban8305(at)gmail(dot)com
PostgreSQL version: 12.1
Operating system: Windows7 x64
Description:
I installed the new update of PgAdmin 4.17, but when I need to get any sql
query structure show a message like error fetching SQL for script: 'attname'