Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 43a05b0485efdae317e157a2855f7bfd9e849db1a54c0d8f2df3c6293b2b8a69:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^