Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a234d1da41b123a4096a4f831eef61f9dfe6ac4cc6909b1915f1a96d634335ba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^