Append tool crashing arcGIS pro

[YaraBathish]

I have ArcGIS Pro version 3.4.2.

The "Append" tool crashes the application every time I run it.

Does anyone have any insights?

[DanPatterson]

BUG-000173357 for ArcGIS Pro is the only publically posted bug for 3.4

for 3.2, neither seem directly related

BUG-000164151 for ArcGIS Pro

BUG-000163933 for ArcGIS Pro

so if you can't find the bug list on the support site, then you would be advised to contact Tech Support since it could be a variant of one or more issues

[Eugene_Adkins]

To see if the problem is aprx based you could create a new aprx using only the catalog setup, and then use the load data option (which will open the apend tool) on the dataset to see if the error still occurs.