Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b385cc749706803bff937264d336287da5f6f74891329294bd7a05d362299ccb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^