Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67b328147d6390559378c30af965571d0c9df6b5c6a3e4538f1679576f4d3129:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^