3013122 - DM - Use of ESEF transformation registry version 4

When validating the instance, you get errors such as

[ESEF.2.5.2.undefinedLanguageForTextFact] Each tagged text fact MUST have the 'xml:lang' attribute assigned or inherited. - sap-2019-12-31.html 7228, 7230, ..

[ESEF.2.2.3.transformRegistry] ESMA recommends applying the latest available version of the Transformation Rules Registry marked with 'Recommendation' status for these elements: ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense, - sap-2019-12-31.html 53, ..

This is because the instance has been created with the transformation registry version 3 rule-set. The ESMA recommends using version 4

Disclosure Management Stack 1601 and lower

 ESEF.2.2.3.transformRegistry ESEF.2.5.2.undefinedLanguageForTextFact , KBA , dm , EPM-DSM-COR-EU , EU , Problem