Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07005ed4b7d8cb6f7ab5b3242d6f07683f770b02bfd1b54845426ca72f6234d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^