After migration from CRM 2013 to CRM 2016 (On Premise, step over CRM 2015), we have error messages in the browser like:
- Unable to get property 'getPageData' of undefined or null reference
- Unable to get property 'className' of undefined or null reference
- Unable to get property 'firstChild' of undefined or null reference
The error happens in components of CRM. Any idea, what the reason could be?
<ReportVersion>1.0</ReportVersion>
<ScriptErrorDetails>
<Message>Unable to get property 'getPageData' of undefined or null reference</Message>
<Line>2083</Line>
<URL>/_static/form/formcontrols.js?ver=1804820318</URL>
<PageURL>/form/page.aspx?lcid=1033&themeId=f499443d-2082-4938-8842-e7ee62de9a23&tstamp=197130723&updateTimeStamp=635905304768102438&userts=131002784247688030&ver=1804820318#etc=2&extraqs=%3fetc%3d2%26id%3d%257b7DE4DCC6-207F-E511-9528-005056A03927%257d&pagemode=iframe&pagetype=entityrecord&counter=1455804831411</PageURL>
<Function>anonymousr:Unabletogetproperty'getPageData'ofundefinedornullreference</Function>
<FunctionRaw>TypeError: Unable to get property 'getPageData' of undefined or null reference</FunctionRaw>
<CallStack>
<Function>anonymousr:Unabletogetproperty'getPageData'ofundefinedornullreference</Function>
</CallStack>
</ScriptErrorDetails>