Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a6efbb34631d64f0f66e33a2d1f880acc5e571b866208a22948e0b17749ba741:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^