Sorry for the late reply ,Have you created topic in batch forum here
https://wplms.io/support/forums/forum/wplms-addons/wplms-batches/
Because this is for batch issues only
Checked you have already taken the free trial :
https://prnt.sc/uuqmsl
Please follow this link to buy
https://wplms.io/downloads/wplms-batches/
Also free trial can not be extended.
Please share your email ,I will contact Mr Vibe if we can share you current version of plugin .
But without purchase you will unable to update the plugin