Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18e457ba78aedae5f8e9fdf460d4e81d7e7bb4a6d36ddb2107e098d4648826ff:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^