*EDITED*

No idea actually. Well, maybe a little idea. Looking in the xml exported by primegrid for the subproject data I see

<user>
<id>24128</id>
<subproject name="TPS_333333">
<workunits>4325</workunits>
<primes>3</primes>
<credit>5972.93234399994</credit>
</subproject>
<subproject name="WOO">
<workunits>55</workunits>
<primes>0</primes>
<credit>26944.8146502457</credit>
</subproject>
<subproject name="CUL">
<workunits>37</workunits>
<primes>0</primes>
<credit>22649.1178906861</credit>
</subproject>
<subproject name="GCWSIEVE">
<workunits>6411</workunits>
<factors>16</factors>
<credit>46957.6348216878</credit>
</subproject>
<subproject name="PSP_sr2sieve">
<workunits>4225</workunits>
<factors>51</factors>
<credit>57980.27816279</credit>
</subproject>
<subproject name="PPS_sr2sieve">
<workunits>308</workunits>
<factors>16973</factors>
<credit>60440</credit>
</subproject>
<subproject name="321_LLR">
<workunits>261</workunits>
<primes>0</primes>
<credit>24232.732558</credit>
</subproject>
<subproject name="PSP_LLR">
<workunits>51</workunits>
<primes>0</primes>
<credit>48458.0309689517</credit>
</subproject>
<subproject name="PPS_LLR">
<workunits>12192</workunits>
<primes>2</primes>
<credit>23911.954157616</credit>
</subproject>
<subproject name="AP26">
<workunits>91</workunits>
<credit>1238.51</credit>
</subproject>
</user>

so, it's likely a fault at PrimeGrid not reporting this correctly. Is there a Beta project perhaps ? Very odd that he only has 3 hosts showing too. Might be a split CPID somewhere amongst this. I'll post at PrimeGrid and see what is going on..