Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6c59b84b7897b3fab9c5f49d36d84e7a47739b01da9f79fcd4feb3e0327fae95:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^