Error1 reports
Fix DatatypeMismatchError
in Arize Phoenix
✅ Solution
DatatypeMismatchError in Phoenix often arises when filtering or comparing columns with incompatible data types (e.g., comparing a string to a number). To fix this, ensure the data types are consistent before applying filters or comparisons, using explicit type conversions if necessary (e.g., converting a string representation of a number to an integer/float using `astype`). Validate your data schema to confirm the correct data types are assigned to each column.
Related Issues
Real GitHub issues where developers encountered this error:
Timeline
First reported:Nov 18, 2025
Last reported:Nov 18, 2025
Need More Help?
View the full changelog and migration guides for Arize Phoenix
View Arize Phoenix Changelog