Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a362f38f57b7d22b7114d1b2a300bccbdaad2b8e3834f416452562be901e1f8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^