Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fe72130e8858095d3e38c5a4689290514723e8e64403a990d057dd48daf1cf94:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^