Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e427e3efcb5fb90516ddd4c13a0e87cc54b0f5368bb7510091167407e7631c4d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^