IZPDS0102E The yaml variable1 does not contain or has a null value for the
following key: variable2.
Explanation
The key variable2 within the YAML file
variable1 does not exist or contains a null
value.
System action
The YAML file variable1 is no longer processed, and the
tools discovery process continues.
User response
Check that YAML file variable1 contains the key
variable2 with a non-null value.