Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1905d9826d306cba93cc1fa0962da0ad3860a4078f1ad5916fbb3d391306ff18:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^