Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 991ba56c472bc6e3f45cb3a956370c2626cf6ea55c6fe618898f3dbc701b8e1b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^