Fixing 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 these characters:

• Uppercase or lowercase Latin or Cyrillic letters.
• Digits.
• Hyphen, period, and space.

Try changing the name of the dashboard if it contains any invalid characters.

If the issue persistsIf the issue persists

If the above recommendations did not help, create a support ticket. Provide the following information in your ticket:

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