Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa908dddedaeecdd13594da708a92b95310567c8afb1e199544e4abb29d91627:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^