When UGENE has started the log contains errors:
[ERROR][10:28] Failed to load sample: Unknown type of import-phred-qualities element: import-phred-qualities
[ERROR][10:28] Failed to load sample: Unknown type of query element: query
[ERROR][10:28] Failed to load sample: Unknown type of sitecon-search element: sitecon-search
[ERROR][10:28] Failed to load sample: Unknown type of hmm2-build element: hmm2-build
[ERROR][10:28] Failed to load sample: Unknown type of hmm2-read-profile element: hmm2-read-profile
[ERROR][10:28] Failed to load sample: Unknown type of call_variants element: call_variants
[ERROR][10:28] Failed to load sample: Unknown type of sitecon-search-2 element: sitecon-search
These errors occur while samples are loaded. For example, errors tell that "sitecon-search" worker in undefined. But sitecon plugin is loaded well. And error samples are absent in the samples list in WD.