Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e44d610d5c93c5028feb30894a583f7dce57bcff2fe7d33a7eb7ce1511019fd9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^