Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a2b59a271bf14f30209a361c4ffb1ad2a6ba27e9bcba71c55512240a7bbf39e7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^