SAP Message XU019 - The & is changed from & to & (due to numerator-denominator-ratio)

Diagnosis
The system stores the conversion ratio of quantity stored toalternative quantity, (for example, quantity entered and quantityissued) in the document as a fraction with a five-digit numerator anddenominator. Therefore, you cannot display your entry accurately.

Procedure
Change your entry to the value suggested. Otherwise the system willcontinue to calculate using a rounded conversion ratio andinconsistencies may result.