Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9ce2d92273575d0d67062237d0c25b3320765f18e14cae8810ba437bd3ed6f5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^