CDS73329Licence Error: Licence cannot be declared on declaration category/declaration type combination

HMRC explanation

Licence cannot be used
A licence document code (for example X002, 9106) cannot be declared on this type of declaration, even if using a waiver/exemption document status code. If the goods are entitled to a waiver/exemption and there is a waiver document code which can be used in place of the licence document code (for example Y903, Y927), then this can be used instead. If there is no waiver document code that can be used then it may be necessary to use a standard declaration.

Source: HMRC, Customs Declaration Service error codes, Open Government Licence v3.0. GOV.UK publication · Licence

What to check across the Licence category errors

A licence has been declared on a declaration category and type combination that does not allow it. Check the declaration category and type against the licence you are using.

A declaration that clears CDS can still be wrong

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Source: HMRC, Customs Declaration Service error codes, Open Government Licence v3.0. GOV.UK publication · Licence