Tungsten Automation Knowledge

What can cause an issue where a DisplayRule throws the following error on form load?

000045963 · Troubleshooting · Last Updated: Sep 10, 2026
Issue: What can cause an issue where a DisplayRule throws the following error on form load?   Cannot read properties of null   Solution: This issue can be caused by copying the form which results in the same control ID's being used.   The following Bug 1971930 has been submitted for this issue:  
  • Bug 1971930: DisplayRule throwing error "Cannot read properties of null" on form load

Applies to

ProductVersionBuildEnvironmentHardware
TotalAgility

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https://aio-eus-uat-cae-aif-app14-local.redglacier-35d7ee4f.eastus.azurecontainerapps.io/article/45963 | Article 000045963 | Printed Sep 30, 2026

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