Problem saving a page.

Hello, I wanted to consult about the following error: It had been working fine and as of today I can't save the changes I make to a "sp page builder" page.

I get an error when I try to post POST http://67.43.7.13/~tecss/administrator/index.php?option=com_sppagebuilder&task=page.apply

[HTTP / 1.1 500 Internal Server Error 4517ms]

I hope your help Thank you