This is a suggestion for rephrasing the message slightly:
Before:
* Patron borrowernumber=15 in category 'J' has invalid age '56'
After:
* Patron borrowernumber=37 has an invalid age of 37 for their category 'K'
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de> Signed-off-by: David Nind <david@davidnind.com> Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de> Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>