Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 825e360495dca57def989aeaa4a0c84dbe314f6d292d496163dd97bae797f30b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^