Error with Cache_File.php

I’m getting this error in my console which Query Monitor flags up. Can I ignore it?

PHP Errors in Ajax Response
query-monitor.js?ver=1597960761:376 
Object
component: "Unknown"
file: "wp-content/plugins/w3-total-cache/Cache_File.php"
key: "a4e51506f07b629df2c74000ea403fbe"
line: 169
message: "unpack(): Type L: not enough input, need 4, have 0"
stack: []
type: "warning"
__proto__: Object