Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8d4cf763dec288e03dac28f3aa9eb07d00d6f9da85c6bd66ead84b9204b2363e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^