411 SAP Message of Class B1 Object type & may only be assigned to fields from one segment type

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411(B1) - Object type & may only be assigned to fields from one segment type

Message number 411 of class B1 is used to display message "Object type & may only be assigned to fields from one segment type" and can be triggered using the following ABAP code:

DATA: lv_val1(100) TYPE C.
lv_val1 = '123'.

    MESSAGE E411(B1) WITH lv_val1. "Error message example

    MESSAGE W411(B1) WITH lv_val1. "Warning message example

    MESSAGE I411(B1) WITH lv_val1. "Information message example
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What causes this issue

Object type &V1& is used either for links or serialization or lists.
To assign such object types to a message, they must be assignedto fields from one segment type.

How to fix

Check your input.

Message text extract from SAP system. Copyright SAP SE.

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