Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a9df8157faa6f2b5c0400c96e3470ae13a438e64b047d17c6f2fcb1bf641576:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^