These errors showing in the registry.log:
2020-04-10 21:58:37,575Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: ED7C36C7735011EAB191005056912208
2020-04-10 21:58:37,578Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: 52B50990735211EAB191005056912208
2020-04-10 21:58:37,582Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: 1DF76B85735511EAB191005056912208
2020-04-10 21:58:37,585Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: 8399876E735611EAB191005056912208
2020-04-10 21:58:37,588Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: 4EDA62C5735911EAB191005056912208
2020-04-10 21:58:37,590Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: B47B462E735A11EAB191005056912208
2020-04-10 21:58:37,593Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: 7FBCE5D1735D11EAB191005056912208
2020-04-10 21:58:37,596Z (16:58) [pool-10-thread-1] INFO com.itko.lisa.report.services.QueryService - no step summaries available for type: C case: E55DA12A735E11EAB191005056912208
All supported DevTest releases.
Increased the size of both Enterprise Dashboard and Registry databases resolved this issue.