Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8c9058f04cd890179f760e9885043e0476da447dab395845303f1bcb19bfc197:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^