Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d31f5c02879279ce0d855f43acddbca1eb780ff9c9e70ed9d2ac627f5d84da55:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^