The one of the errors, CelesteCS Math Cloud administrators meet during implementation phase, is the “Error: Some error occurred while reading own page content”. The reason of this issue is in most cases in macro user permissions.  The following article describes the details and the solution of this issue.

Some administrators wish to protect some content from plug-ins: sensitive details such as payroll and future business plans, and wish to be assured that it is accessible to few add-ons or no add-ons at all. This protected data varies across instances, as does its protections.

Read more: CelesteCS Math Cloud Plugin: Plugin permissions and "Read own page" error