Message type: E = Error
Message class:  WOST_WSTI_MLT_HI - In-Store MIM Mobile - Physical inventory 
Message number: 002
Message text: Enter the unit of measure
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The SAP error message WOST_WSTI_MLT_HI002 typically indicates that a unit of measure (UoM) is required but has not been provided in the relevant transaction or process. This error can occur in various contexts, such as during the creation of a material document, goods movement, or when entering data in a transaction that requires a UoM.
Cause: Missing Unit of Measure: The most common cause is that the user has not entered a unit of measure in the relevant field.
Configuration Issues: There may be issues with the configuration of the material master or the relevant transaction settings that do not allow for the UoM to be recognized. Data Entry Errors: The user may have overlooked the UoM field or entered data in an incorrect format.
Solution: Enter the Unit of Measure: Ensure that you enter a valid unit of measure in the designated field. This could be a standard UoM like pieces (PC), kilograms (KG), liters
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