Hi,
after a successful upgrage to 4.5.1b we have troubles to edit/duplicate/create Calls and Meetings - Sugar has reported the following error:
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Fatal error: Unknown function: getjavascriptsiteurl() in C:\Program Files\Apache Group\Apache2\htdocs\sugarsuite\include\json_confi g.php on line 57
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What is the source of the error?
How to eliminate / solve this error?

Thank you for your advice