Issue 1 - 1273 (HY000) at line 25: Unknown collation: 'utf8mb4_0900_ai_ci' ERROR Running: mysql.exe --defaults-file="c:\users\ishma\appdata\local\temp\tmpdj9_y0.cnf" --protocol=tcp --host=localhost --user=root --port=3307 --default-character-set=utf8 --comments --database=sakila < "C:\\Users\\ishma\\Documents\\dumps\\Dump20201229\\sakila_address.sql" Solution Open the sql file in your text editor Find and replace all utf8mb4_unicode_520_ci with utf8mb4_unicode_ci Save and upload to a fresh mySql db