2878812 - Not able to send Adhoc email to more than 150 applications (Candidates) at once through Action ->Contact Candidate

•  Customer is looking for sending adhoc emails from candidate pipeline status using Actions -> Contact Candidate, to 1000 candidates   at a time .
•  In Provisioning customer has checked the checked ‘‘ Support the handling of more than 150 candidates in candidate summary   page. (beta, use at your own risk, this may slow down the system considerably when selecting more than 150   candidates)“
•   While sending adhoc email to 1000 candidates at once the browser is not responding and failing with below message -
• "Bad Request Your browser sent a request that this server could not understand. Reference #7.33210f17.1570165982.0”

 SAP SuccessFactors Recruiting Management .

Adhoc emails, Bad server error, 1000 candidates , KBA , LOD-SF-RCM-EML , Recruiting Emails and Notifications , Problem