Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30a07211cc27c0420a1ff55617329f34b74dc10be7a6ed3cd6fa6ff28b771279:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^