This could be due to incorrect php configuration file. This can be corrected by going to WHM>> Configure PHP and SuExec and save the settings once more.
Also, you could increase user resource limit from "lvemanager" . This can be increased following the below steps,
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Home »
Server Configuration »
CloudLinux LVE Manager »
Click [Edit Settings For Specific LVE]
Enter the username and increase the memory limit and save.
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Done
Also, you could increase user resource limit from "lvemanager" . This can be increased following the below steps,
=-=-=-=-=-=-
Home »
Server Configuration »
CloudLinux LVE Manager »
Click [Edit Settings For Specific LVE]
Enter the username and increase the memory limit and save.
=-=-=-=-=-=-=-=-
Done