You may face run-time errors in SAP queries after a upgrade such as below.
Error when importing object FIELDCAT
The current ABAP program SAPLAQRUNT had to be terminated because it has
come across a statement that unfortunately cannot be executed.
To correct this error go to SQ01 translation and execute the query once. This will clear the inconsistencies.
EHP6, SAP Query, ABAP, Runtime error, Error, Runtime, Isuru Fernando