Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 82fadb769065057425b4c7d1c1fa0d3327aaa0907af1229867f66c7a5bf6d8bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^