Unable to ran acollect 2.4.3 in agile 936

Hi Team, Facing below issues while running Acollect 2.4.3 in agile plm 936.

 [echo] Acollect is resumed.

[xmlproperty] [Fatal Error] wls_patches.xml:1:1: Premature end of file.

Target 'exec-system-wls' failed with message 'Failed to load D:\AgileWorks\acollect\work\wls_patches.xml'.

   [echo] error.msg=The following error occurred while executing this line:

   [echo] D:\AgileWorks\acollect\config\acollect.xml:1483: Failed to load D:\AgileWorks\acollect\work\wls_patches.xml

   [echo] obj.ref=${obj.ref}

Please help on this.