Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f149bff1ba546afdf7b452fbd5619b3b688fe1ecde2500ebacb51049e02fc72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^