Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9a0e57f68485cc3fb89df140ff56f4f575396a3d37a7cb8afd15fa79d1159d7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^