Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff2d6a4b5090c66cf20472a8599e980adc68628c94cfa1ecb5155653a94920b2:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^