Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f246387ef971539ac30d38c1752066d10606ab11ac84df9c100c078fcd202db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^