Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15ea87e79c720358ce80b71e907a0a309aeb7794884d86dfcbe59645b13fa7cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^