Set the text input fields to 1 in the Designer to avoid divide by zero errors.
Also, check for empty sockets in the blocks.
Use 1 as the value if not found from TinyDB
(Canned Reply: ABG - Download those blocks and post them here)
Please download and post each of those event block(s)/procedures here ...
P.S. These blocks can be dragged directly into your Blocks Editor workspace.
See
for how to download individual draggable block images.