Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf6be8db7292c8d4e0ce9bc49a41191b4cd550fc704874f14b05f870c5675e98:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^