Server load can cause a delay in data reaching Financials — it will often appear after a short time. Having confirmed the transaction is neither posted nor batched, check the DataHub information from the Utilities menu in the System module.
Data received and posted shows as a status of 1. Anything not processed will have a different value (for example, 4).
Identify any anomalies and check the message text. Copy it into a text file and compare it to a successful posting to identify the problem.
Some common reasons are:
No Detail information - the text will contain "DetailLines":[] with nothing between the square brackets.
Contact the users processing the data in the source application if the issue originates there.