HAT5635 {0} has concurrent {1} fix requirements - see the readme file
Explanation
The fix you have applied may require a concurrent fix or fixes to product {1}.
User response
Review the readme file packaged with the CAPAR or APAR. The readme file name will be same name as the fix number with the .TXT extension. For example, the readme file for fix JR12345 is named JR12345.txt.