I have a custom entity which I can't create any records for because the browser window generated by the 'New' button gets stuck and prompts me this JS error upon closing it.
This is on CRM 2015 Online (7.1.0.2040)
Microsoft Dynamics CRM Error Report Contents
<CrmScriptErrorReport>
<ReportVersion>1.0</ReportVersion>
<ScriptErrorDetails>
<Message>'navBarData' is undefined</Message>
<Line>6663</Line>
<URL>/_static/form/formcontrols.js?ver=-661050299</URL>
<PageURL>/form/page.aspx?lcid=1033&themeId=f499443d-2082-4938-8842-e7ee62de9a23&tstamp=-1729810927&updateTimeStamp=635714368647959138&userts=130831696642617139&ver=-661050299#etc=10022&pagemode=iframe&theme=Outlook15White&counter=1438696473280</PageURL>
<Function>anonymouseError:'navBarData'isundefined</Function>
<FunctionRaw>ReferenceError: 'navBarData' is undefined</FunctionRaw>
<CallStack>
<Function>anonymouseError:'navBarData'isundefined</Function>
</CallStack>
</ScriptErrorDetails>
<ClientInformation>
<BrowserUserAgent>Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; InfoPath.3; rv:11.0) like Gecko</BrowserUserAgent>
<BrowserLanguage>en-US</BrowserLanguage>
<SystemLanguage>en-US</SystemLanguage>
<UserLanguage>en-US</UserLanguage>
<ScreenResolution>2560x1440</ScreenResolution>
<ClientName>Web</ClientName>
<ClienState>Online</ClienState>
<ClientTime>2015-08-04T15:54:36</ClientTime>
</ClientInformation>
<ServerInformation>
<OrgLanguage>1033</OrgLanguage>
<OrgCulture>1033</OrgCulture>
<UserLanguage>1033</UserLanguage>
<UserCulture>1033</UserCulture>
<OrgID>{5D115F5B-2A41-46EC-9DEA-297E6DF9ACCF}</OrgID>
<UserID>{F007AE9F-5E2C-E511-80E1-C4346BAD81F0}</UserID>
<CRMVersion>7.1.0.2040</CRMVersion>
</ServerInformation>
</CrmScriptErrorReport>