How To Fix EL345 - Cosine phi cannot be calculated for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EL - IS-U meter reading data processing

• Message number: 345

• Message text: Cosine phi cannot be calculated for &1

What causes this issue?

Cosine phi validation &v2& for device &v3& cannot be carried out
because division by zero was necessary.
The cosine phi is calculated as follows:
Cosine phi = active energy / (root(active energy? + reactive energy?))
Division by zero is only possible if both active and reactive energy
are 0.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EL345 - Cosine phi cannot be calculated for &1 ?

  The SAP error message EL345, which states "Cosine phi cannot be calculated for &1," typically occurs in the context of electrical engineering and power management within SAP systems, particularly when dealing with electrical consumption and power factor calculations.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Missing Data: The necessary data for calculating the cosine phi (power factor) is missing or incomplete. This could include missing measurements for active power (kW) or reactive power (kVAR).
  
  
  Invalid Values: The values provided for active or reactive power may be invalid or zero, which makes it impossible to calculate the cosine phi.
  
  
  Configuration Issues: There may be configuration issues in the system related to the measurement points or the way the data is being collected.
  
  
  Data Type Mismatch: The data types of the values being used for the calculation may not be compatible or may not be in the expected format.
  
  
  Solution:
  To resolve the EL345 error, you can take the following steps:
  
  
  Check Data Completeness: Ensure that all necessary data for the calculation of active and reactive power is available and correctly entered in the system.
  
  
  Validate Input Values: Verify that the values for active power (kW) and reactive power (kVAR) are valid and not zero. If they are zero, you may need to investigate why the measurements are not being captured correctly.
  
  
  Review Configuration: Check the configuration settings related to the measurement points and ensure that they are set up correctly to capture the required data.
  
  
  Data Type Verification: Ensure that the data types of the values being used for the calculation are correct and compatible with the expected input for the cosine phi calculation.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error and its context within your particular implementation.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal IT team for further assistance.
  
  
  Related Information:
  
  Cosine Phi (Power Factor): It is a measure of how effectively electrical power is being converted into useful work output. A cosine phi of 1 indicates that all the power is being effectively used, while lower values indicate inefficiencies.
  SAP Modules: This error may be encountered in modules related to Plant Maintenance (PM), Project System (PS), or other modules that deal with energy management and consumption.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that may help you navigate to the areas where you can check or input the necessary data (e.g., IW31 for work orders, or IL01 for functional locations).
  
  By following these steps, you should be able to identify and resolve the cause of the EL345 error in your SAP system.