Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 951182109fcf0e81e4eda3b3f639415e58493f0f62a9f76ccbf329e9c3f13cc9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^