Installation and server related problems

Discuss problems with installing the H5P plugins/modules and content types as well as server-related issues

504 Gateway Time-out after upgrading the plugin.

I upgraded the plugin from Version 1.12.0 to Version 1.15.0 running on wordpress instance. 

Now after updating the H5P plugin I am not able to upload libraries or upload new H5P.

Kindly help me out fix this issue.

Thanks in advance.

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