Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8c15beb3e964e8eb6067a222c01f6c2d16825ab14f5d277a59384acfbc4cb1a3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^