AD Merge Patch error: Cannot merge patches which are 'based on' two different baselines.

Hi,

statement used>>>>  admrgpch -d . -preinstall -master u6678700.drv

AD Merge Patch error:
 Cannot merge patches which are 'based on' two different baselines. Different baselines found fo
r the same trackable entity: xla


3) What version of the tool is having the issue?
R12 adpatch

4) Please describe the issue, including steps to reproduce:
statement used>>>>  admrgpch -d . -preinstall -master u6678700.drv

error received is:
AD Merge Patch error:
 Cannot merge patches which are 'based on' two different baselines. Different baselines found for the same trackable entity: xla

Regards,