Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4074feb50eb00155918e9772d768da107c3c511bd32bcf60d7e5334ad5e59bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^