suddenly unable to connect to PPPOE

Hi

i have been using mikrotik 3011 for over 3 years and i am using vDSL with PPPOE connection

all of sudden last week mikrotik stop to connect to our provider pppoe it actually established connection but fail to get Fix IP from the free radius

my friend from the proivder is able to give me radius log that my router is actually established connection and has been given the fix ip

can someone help me whats wrong ?

i am suing 6.47.3 version
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