Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7340f6842f6b15e3d15d2dfab0afd1f182dc3e45548073310d47cdf2e97dc6ec:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^