Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 50752e4ae48dea851155d0f659b6530a27c1ead50b77ec62a7208026e8b6a16b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^