Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 199f07e7517a427ac02825d843f784e7ab8a4f3848a9296375d1cd4345462956:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^