Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f4cf4c57fb5b0e8c5689e8d638bcbfd3919649dffa6f759e114ecb56d9caf9d0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^