Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 94ec12d25020a5c7a4d11762eb77f6a51b01984d870f868a103f232ea6dc2c0b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^