Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a0209ce281e43f10860c762986551f99f0b2df156d83c85a07fea2c0cf9b7eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^