Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a1207fb4a151d70abcae437f7b1a3a9fd94c581da0d1898f32e7bf03081aa7cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^