Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dac89fc5a1b1eba384d416bec3aefe929f27ca731b33b014419f239b5f8fcb8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^