Internal Server Error

Fatal error: PHP Startup: Unable to load dynamic library 'apc.so' (tried: /usr/lib/php/20180731/apc.so (/usr/lib/php/20180731/apc.so: undefined symbol: zif_apcu_store), /usr/lib/php/20180731/apc.so.so (/usr/lib/php/20180731/apc.so.so: cannot open shared object file: No such file or directory))