Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d0cf60b5629580b38869f1bb90ecc6bffd4d1cd1834d45ff46700519f466b923:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^