Troubleshoot Marketing Cloud Engagement Data Relationships

The External Key Cannot Exceed 36 Characters.

The external key cannot be longer than 36 characters.

This error occurs when you try to save the data relationship and the length of the value in the External Key field exceeds 36 characters. Correct the error by reducing the number of characters in the external key value to 36 or fewer.

External Key Already Exists

An object with external key <external key> already exists.

This error occurs when you try to save the data relationship and the value in the External Key field for the data extension is the same as the external key for a data relationship that already exists. Correct this error by changing the name and external key values.

Relationship Already Exists

A relationship already exists for the left and right side of the relationship.

This error occur when you try to save a data relationship where the combination of the left and right side objects already appears in another data relationship. Solve this error with one of these actions:

• Change the left-side object.
• Change the right-side object.
• Remove the data relationship.

Data Relationship Name Cannot Exceed 64 Characters

The relationship name cannot be longer than 64 characters.

This error occurs when you try to save the data relationship and the length of the value in the Name field is greater than 64 characters, including spaces. Correct this error by reducing the number of characters in the Name value to 64 or fewer.

Data Relationship Name Cannot Be Blank

The relationship name cannot be blank.

This error occurs when you try to save the data relationship without a value in the Name field. Correct this error by entering a name for the data relationship.

Relationship Must Have Both Left and Right Columns

There must be a left and right field when defining a relationship.

This error occurs when you try to save the data relationship with a right or left column. Correct this error by including both columns in your data relationship.

Same Column Cannot Exist on Both Sides of a Relationship

The same field cannot be selected when mapping data relationship fields.

This error occurs when you try to save the data relationship with both the left and right column using the same column in the same object. Correct this error by selecting a different column for either the left or right side of the relationship.