Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2143d16e4be73f1289ea7347591a59cdca6ba6ae494d4a152453dd144fdeddb3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^