2696446 - SSCUI 'Define Output Format of Material Numbers' shows the error "Material number must not be longer than 18"

• Changing the product number length using SSCUI '102320 Define Output Format of Material Numbers' gives an error "Material number must not be longer than 18".
• Message 'The length of the old material number must not exceed 18 characters'
• Updating a Product through the Migration Cockpit object Product shows the error 'The length of the old material number must not exceed 18'
• When saving a Product in the Create Material or change Material app , a message appears with 'The length of the old material number must not exceed 18'
• When using the API  API API_PRODUCT_SRV to update a Product , it shows the error  'The length of the old material number must not exceed 18 characters'
• When using the API  API API_PRODUCT_SRV to update a Product , it shows the error  'Material number must not be longer than 18'

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SAP S/4HANA Cloud Public Edition

Product, Configure Product number format, Material number must not be longer than , BMG223, MFLE , CL_PRODNUMFORMAT_DPC_EXT , Compatibility Mode , OMSL , MATNR , A2X  , MM/092, The length of the old material number must not exceed 18 characters, Material number must not be longer than 18, 102320, Define Output Format of Material Numbers , KBA , LO-MD-MM , Material Master , CA-GTF-TS-LO , Basic Functionalities Material Master , Problem