Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d209900c0e381a583174b3a637ec1213afc5fb74426e21ebcf0aa6b0178430ca:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^