Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e0133b7db8bc0ef8f6bc2036967c6ca1e977ff7374f5673c6fdecad4aa940121:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^