Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 47fd69ca0b417094934908fc3ede7d3a92be90f04ca1238b9433735ddcbede8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^