Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 99f5593399b2f1372965e71d90493716e88680ffe03ce50309cd907f690289bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^