Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8226085e8127dc2351ae62a8b49b3cfd4db2f7edb7dc21d026262bb8c11126d4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^