Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87ca45bed04745bea113a711605a18d85051f937a12d673c408a077a6cfbbcef:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^