Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f0384473874a444d26132cf128e98a5a95d0dc5fe76a161bb286f3f684444da:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^