Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7aefc060aa6885ead9b0a389c8fdc2f131eaf7c8a6235f76426d91b8dca855fe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^