Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9e03500181c0e503f32f77a6c4836672cdbe1dc6ba70be1bfc2123b048fa502:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^