Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8b39d4e3cae6773fe8ddfcdb74c04cb6a1cbf85b66b883a24c46a2928db9fd93:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^