Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb90cb8657e69dfe62b64857fff211cceeb3d6f5cb20a112b7d212fa509b0092:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^