Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 57a97e5742da6713daea81f2e83a7cb21a588d9c9760f4fbf11b4d807b1fe06d:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^