Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e1677acef2e4f386d7a5607ec92a6b1d0182c27cd775ccefef21fcd2982e7565:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^