Troubleshooting steps
Verify tag exists, check tag configuration, verify tag type
SCADA System Alarms
Ignition ERR20 – Tag error
Tag error
Details
Ignition ERR20 error on SCADA indicates tag error. Tag not found, tag type mismatch, invalid tag reference. Verify tag exists, check tag configuration, verify tag type.
Error typetag
MeaningTag error
Typical causesTag not found, tag type mismatch, invalid tag reference
SolutionsVerify tag exists, check tag configuration, verify tag type
SeverityMedium
Catalog references
Where this appears
IgnitionERR20
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Common questions
What does ERR20 mean on Ignition SCADA?
ERR20 on Ignition SCADA indicates tag error. Tag not found, tag type mismatch, invalid tag reference.
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