Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3870eecb2c831ad84f977aa9e339e858f4a5fd489c8ea5880aac7cbb81158d3c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^