Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 911936a0a2d87a8550c0f19918d148c6ff9ceaae5fc81141f1496a80462aa287:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^