Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c7b3b160d80c99d76e54abe692e51955b38572c099e82b90892bfe6764245c19:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^