Error in event handler

[K-Thompson]

This error is raised when using in Chrome v53.x:

Error in event handler for extension.onRequest: TypeError: Cannot read property 'indexOf' of undefined
at HTMLLinkElement. (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:8:293)
at Function.each (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/jquery.min.js:2:11776)
at each (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/jquery.min.js:2:8304)
at Object.google (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:8:246)
at Object.init (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:7:178)
at Object.init (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:24:3)
at s (chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:29:492)
at chrome-extension://jabopobgcpjmedljpbcaablpmlmfcogm/wf_chrome.js:30:107