Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e5d5cea0b7267fe9f4446582dd9634aaa48fcb8545d7144baa04ad94abf3922f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^