I'm working on 5 songs using the scratchpad in all of them, but one of them has an odd issue. Once I open the scratchpad, I cannot work in the original song unless I close the scratchpad. For example, if I click in the original song to play it with the scratchpad open, the readout stays blue and wherever I put the cursor and click play in the song or scratchpad, it does the same in the other - they are linked. I'm wondering if there is some link setting I enabled. If this is just some one-off glitch, I'll work around it and hope it doesn't happen again. Thanks!

Win 10, 64 bit, i7-7700, 16 Gb ram, SSD, Studio 192