Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d83860be0f99875da2828e0dc5638642c5146dc1f60aafb06e39235683224daa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^