Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df991417ae4f519d23517e2941f087e440bd3bc3c6af274006ed9f7856583171:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^