Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8a67c9e944276d6849936d7049770d79bf21f86cf6c2c3f40758bd272f227f6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^