unknown collation 'utf8mb4_0900_ai_ci' phpmyadmin code example
Example: Unknown collation: 'utf8mb4_0900_ai_ci'
search utf8mb4 change with utf8
search utf8mb4_unicode_ci change with utf8_unicode_ci
search utf8mb4 change with utf8
search utf8mb4_unicode_ci change with utf8_unicode_ci