Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a66d5882a0e73d4a2d5e182d9a58a99c1d7cf60eb9f32e63cbc3522bb734620:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^