Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6621fae33eb699757099f7a05374c2a91b6a3721dabbb7f31c9b84b1fa363a3f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^