Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af95947cab8979bb47d32fffd54c5dc36764c7d775511a941dcf0a298f747d13:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^