500 internal error /

i tried fixing the too many redirects by using the plugin (multiple redirect fix) and i recieved this error listed below and i ended up deleting the plugin through my file manager and now the problem still exsist. Please help me i hope i didnt lost my entire site due to this

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator and inform them of the time the error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.