Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ff902e58cd12ca268016903f92f2790989657f4a52f42380b330484eb52b8dda:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^