Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4be8aa0ddbf4f7fddd78237ad3cf8ead6798a4ac1150a779bf911776c10d1779:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^