InvoicePlane 1.5.4 error with page blank

/index.php/clients/form
/index.php/users/form

[Tue Sep 05 23:23:38 2017] [notice] child pid 17410 exit signal Segmentation fault (11)
[Tue Sep 05 23:24:09 2017] [notice] child pid 17411 exit signal Segmentation fault (11)
[Tue Sep 05 23:24:24 2017] [notice] child pid 17412 exit signal Segmentation fault (11)

Please search the forum before posting a new thread.

https://community2.invoiceplane.com/t/topic/4884