Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 530e69dbd3acf89f4b0376585a1b7b368e61a920c1cdef3b51afffca7114fdb9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^