Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 92f4c5ec0bd032f7896855e6ccd1fc10046aef1d293f76ef6b8d7990802eaf76:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^