Resolving the "Validation error Request failed with status code 500" error when saving a dashboard

Issue descriptionIssue description

• When saving the dashboard, you see this error:

Validation error
"Error: Request failed with status code 500
at t.exports (https://yastatic.net/s3/cloud/datalens/static/freeze/js/vendors.1108fcc0.js:2:6017)
at t.exports (https://yastatic.net/s3/cloud/datalens/static/freeze/js/vendors.1108fcc0.js:2:8466)
at XMLHttpRequest.y (https://yastatic.net/s3/cloud/datalens/static/freeze/js/vendors.1108fcc0.js:2:1286)"

SolutionSolution

For the dashboard name, you can only use the following characters: uppercase and lowercase letters (Latin or Cyrillic), digits, hyphen, dot, and space.

Try changing the name of the dashboard if it contains characters not from the approved list.

If the issue persistsIf the issue persists

If the above recommendations did not help solve the issue, create a request for technical support.
In the request, specify the following information:

1. Link to the problematic dashboard
2. HAR-file built when attempting to add a joined table to the dataset.