Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6687afc07ed83d038fb9f2905050b3bcf1a80baace8d7614aabd20fbf4e6fe88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^