Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bf7188b0ed3d0109e2b866a5f69680672d63a81f3ca20d16bb082e3599abf17:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^