Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ee2ff5cc7bccc2139d3b94be7a0d486c4bf75752322c40f9cbccffb21c4f69b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^