Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f630aa00c545c33a91c016dac7e9c71c01f0957612c8d6e11c99e23a3ade39c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^