FPEU0046E UNABLE TO READ FROM FILE `<V1>`. SYSTEM MESSAGE BUFFER: `<V2>`

Explanation
 An error occurred while reading from a file.  
<V1> is the file name.

<V2> is the system message buffer.

User response
 See the SYNADAF macro in DSFSMS/MVS Macro
Instruction for Data Set for the system message buffer code.