Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c061fcc81869b43cbe7a61edac65dca5bf365a8c9ab1f075885740ae9962b01:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^