Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 899b11acc8726beb86d1397cafdc3bcaa3ba62cca2e752a5b1ecc33eda80321a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^