406 SAP Message of Class IW Order type & requires external number --> assigned after ENTER

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406(IW) - Order type & requires external number --> assigned after ENTER

Message number 406 of class IW is used to display message "Order type & requires external number --> assigned after ENTER" and can be triggered using the following ABAP code:

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

    MESSAGE E406(IW) WITH lv_val1. "Error message example

    MESSAGE W406(IW) WITH lv_val1. "Warning message example

    MESSAGE I406(IW) WITH lv_val1. "Information message example
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What causes this issue

You cancelled the entry of an external number for the
order type &V1&. However, you must assign an externalnumber for a maintenance order of this ordertype.

System Response

INCLUDE 'VERARBEITUNG-ENTER' OBJECT DOKU ID TX LANGUAGE EThe window for external number assignment will
appear again, so that you can assign an external number.

How to fix

If you want to retain order type &V1&, you must assign an externalnumber for the maintenance order.If you do not want to assign an external number for the maintenanceorder, you must select an order type which requires internal numberassignment.
Message text extract from SAP system. Copyright SAP SE.

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