How to fix the Oracle error ORA-13121: layer type type mismatch with topo_geometry layer type?

In this post, you’ll learn more about the Oracle ErrorORA-13121: layer type type mismatch with topo_geometry layer type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-13121: layer type type mismatch with topo_geometry layer type

Reason for the Error ORA-13121: layer type type mismatch with topo_geometry layer type

The tg_type in SDO_TOPO_GEOMETRY constructor did not match the type specified for the layer.

How to fix the Error ORA-13121: layer type type mismatch with topo_geometry layer type ?

You can fix this error in Oracle by following the below steps

Check the USER_SDO_TOPO_METADATA view to see the layer type for the layer and use it in the constructor.