Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85ece8f5ae221799adcd971020b520c39a4590b2d8ca01015c2b0be9cf10aaa9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^