Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cbab4caa1e19a9ffb98c1b54a17dbf7bb27afc06cca5202b36c520548d39757d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^