Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 17ce18c63697ce47574d6e0b252df8be53f98d5af0e87218972876bc0a5af699:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^