Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b09a542a7c07ba159807aed7588f6bd32d000f740bddfcc695629d396a960ecb:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^