Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7c29450c34ddefbd5069df4544c5376fd27a680e0b8124c77ca98b10edb6ebc3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^