Combination item category E/account assignment category V not defined - Message no. ME066

[SAPSupport]

When using the APP ”Create Purchase Order- Advanced” to create purchase order we are getting the error message 
'Combination item category E/account assignment category V not defined'. (message ME066) 

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[SAPSupport · Accepted solution]

The Enhanced Limit item category only supports limited account assignment categories.
The support account assignment categories for Enhanced limit items are: 
'C', 'K', 'P', 'S', 'U', 'N', 'A', 'F'.

Please refer to KBA 3293207 for more details
https://me.sap.com/notes/3293207