Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> afdba1e7ba13a268f7612070a37a9b70e4643b15f5d6c5be2eaf70fa1c468183:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^