Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a70838414e8ad13f47d939b8cfcd1a4af2c918100872a15179166788963fd250:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^