Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3b00870448477ecb99b6c72267687ef8a7d011f0ddd0f159ba2a5dafe3f841dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^