Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9edf58f780e7942118c0d063ae23768d793aaf892960779abe35524915eeb443:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^