1) Did you import a MIDI-file?
Then
Right-click the BPM-gadget
Choose: Remove-global-automation
2) Perhaps the VST in question does not synch to host
Open settings
Select the timing section (clock-icon)
Change Host-synch
Let us know the outcome :)
Besides that, since you are new in Forum
Welcome Mus2cman !
Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions
If you like to introduce yourself, to the community, go here:
http://lmms.io/forum/viewtopic.php?f=4&t=4480