Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa800ec13f1827316c076c5de3fdf0bfc09fec9624553e7fbc8e3aad6596bc24:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^