Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d29006d1eacb36a9771c747c6b702d28cbf151e226108a7e5bdd5f1e826b10d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^