Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4271272712f604f37b75360bb5531607774c7c6645df2ebce2f73abebd644c0e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^