Fix: ERROR 1273 (HY000)

We can fix the issue ERROR 1273 (HY000) at line someline_here: Unknown collation: ‘utf8mb4_0900_ai_ci’ on the following way:

perl -p -i -e 's/utf8mb4_0900_ai_ci/utf8mb4_general_ci/g' db_dump.sql

Pls do a dump backup before process