Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0fc82c63f33b6b7c7a32c162649f192a1dd154c9295a6766d4ad418ba5a172d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^