Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5e5bc801ae2c3ad54442d32439535c14f271b6ec79c87eabf6cdabb48867496f:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^