Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba00b215fd995cd09c442f8ce058e29a45a2d0f6f6d2d5f0d1aab221d4873c80:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^