Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d9c85b2239ace436bfe56e12e984f6a77900969bc2059b9d59bb9d6fc51ec57a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^