Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 730fd6b79757a1647655438e0db0cf6f8e099636d05ce2a7b957cafaddc226a7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^