An error occured during publishing of an organisation

Q&A
1

I use Bonita BPM 6.5.1. Community Version.
java version “1.8.0_45”
Java™ SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot™ 64-Bit Server VM (build 25.45-b02, mixed mode)

When I try to publish an organisation in Bonita Studio an error occured with the following details:

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What could be the reason?

2

Reinstalled Bonita Studio and it seems that problem is gone.