Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21a957ef969033f0170a64f6ae1df0ce0ba9fab3d14aad68ce37aa23ceb8d586:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^