Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3e6f1332782dfa6b44d3add799acd971ab73f30af0fe5aa02b17e6146b01954:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^