Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21a84283273c327557c7e63894836390fcca8e20affcb8051c4819213fa90ca9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^