Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad916f0ead9cbc8a48441aeae8dab67a2817f8d83fbfcc5aa8d2215415fc798a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^