Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb1d7235bbaded0199656c7811115347974bd7840f0e87c16cfaab29a343c8eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^