Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4cfe81870ff9bde4a67c1b8d6bbcf280a7f6f6977dbec443fc8966e96d72e89b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^