Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a59f78f5133aabed00a165c5cc3e1db3b6bab411c028faa4ed31a9236d3952bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^