Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e8c7c2de0c0361ebb86549e874aab582f8e0825ae7a5010136ec711c82cc8272:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^