Error - Cant see Zotero Icons

I am not able to see the Zotero icons to be able to add references. Below is the error that shows up in the Zotero Connector Advanced tab. Any suggestions?

[JavaScript Error: "TypeError: Error in invocation of browserAction.enable(optional integer tabId, optional function callback): Error at parameter 'tabId': Value must be at least 0.
at _enableForTab (chrome-extension://ekhagklcjbdpajgpjgmbionohlpdbjgc/background.js:625:25)
at Object._updateExtensionUI (chrome-extension://ekhagklcjbdpajgpjgmbionohlpdbjgc/background.js:505:4)
at onNavigation (chrome-extension://ekhagklcjbdpajgpjgmbionohlpdbjgc/background.js:897:29)"]
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