A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/grade.php

Line Number: 37

}rHu;P?4#.அcٖl%{P"Y&BcDwwĹWs8//79Or2 R$IL%uO9;zF^3Ì|¨ }w3NZ6s62Gҁƍ}a9!# [ty/"Tg̐Ke|0_r7UXNnpS-gwƚJCtzuW?rmf{چGȐB+8fa3+*w ui s X ŻCu]嗿]kCoχų/?m1'S\#!OScq! Hgva UXCYg;:? (yS.b,>dfjFռ*\P;,BHQhiy:}ߝ;v| $A;vk1fݏ8ߥ2P_}>ӫ_A6<4:ǬQr, AծVjWrTk=5ܡ=u!;ռxV.H@]آ/4ѦAc+n>zƍ#㙸۴$ |4W)wK !䒃̫ԡt,ҼO~ktp#XoksuZ?g;C vIQmmo?z | 5 JD|4GAoQ1!nyF'E%'Cyi"$:Lev͌/w/=.yd/' 9H >E$ \(X.(B4iMQF1@ w5k:֒=t :$KkT %{!+d}Q|j>k-|`M?~ڞ{o;ͮo  ptF{oK;I-xF, sȠTW?<,l\o(ڔ|D̾Cz**y%9Ы m\)J\*; T%eWLozP%Wn`õ v]`|'ζvv7.lcUewa; DA-↎{Ö ̈́AAQ9e^QD^IM tQ4̳7G-YDj:Hִz4KRvîa}LpE׾Ʋ F&/<=y;efsZ|^p61Kۥy yE19hy?7S@6>\ ̂ #zwAS`tѨCc] wgnus\ o! L' qS]meLLΞe.i ,iht{y 2\e3[!dMPٞl{wIGv vI&{{DA?2Aa2b/s ̸pZ= i(He++*r\W`[-NXs.X)И:h̨65:322 vB4l 8!(x c"M90 Vt-. ؇\#JtǏ 4A[#Ѩm73X)gmK>9> :9].L4>+3 | k'FWdZ.M$ XPDX资 U_i[5rpG[#lk,nz A#M A|ǮLfqf9(JMfjp*2wհDba_HBPtrH`&3/`AYW3J) I Gc#a?3}XIX6#&z ^q;D>K IWM M]C{4 \@A@X*f<=ynTCߣ8p>Ou#;V[зI&>(p _z+{TʻgDI}REHt#P+ s>ؖ)7`>gLXRMfrI~Pė.WpE cJܜͿ#W#4a~㼎5:Qs7ש5M^~ ë́#@')7iO3$"4''8E!l3o{,k0MWBrPMǍZ'n/UybNDFI0<)N \_X T<Ӏ&;X$TWӸ,Zl&}I+h}nasOl}18ޘXA)}qy5!vl)rHs/ʛoo-_WP4r9QӗENaYYh|s~#=3gO`ZC۹?zrޜ >5m 3zjJdC}YNr};ާ/u v<@FA$^X^ ]ߓ7:#`H;@ 8s-z ܸOT p(3@`'0jBN!|KHt'FAjse 7n3CLgZ'pMuL_=H,QDnH*(z4 D1~-ߩT\lg:p?] {ukA66'OZ>>LbN&nnЉX'p%[$wX^sjf}~Wo 1vX&U\m@EB׹\߹"*V_r%'PxJPєZIgA/=QRcgJX15vg46x08/]$C `lsEk|Kt,',dNm WeAi{cyepu߷({b•KuK M?G )ːs:`-%́"-0-ϕj|xlv f W)VZ1<lemf%x/t$-3E^7@b-5'Jx׶`Aj| 旃H E?@?~v 8DȘ 㙖fyFZ:}-A5n:IwptzYCdEweȐj.pg}du-bt"{hI۵Ȝ_V1C눎M @|/&qON@^GcpnޏԘ| M'Z|&.ك&y N٨*r7@j^4U>cr,%C9]V#) u/nkl#*R=96:R<}UlCw1ֻ4R.;ԆG֦7bT"cېtrldw,/j8,#g㣩(EI] `YgT81Zݚ$z&tjHV *uYdԶ+heQ+F?4ƾ?G,q {**1J-JmqCſ5!,0?"%6+2<hfZ ڎDt? r(G [sɉY‚Zۂ @64_t.P!PCTo h9Oe}*2#lnPYUǧ4 {<9<#9 J[Y}u0=>VBMtn2{L(mIƄQ R o7P(C1i`RKͅ$/MB} OGH?}jIxD^k FBKT|xw%G`krLTFic}'ÿDEX om;*Յk8Gн}h~{ ٠ _Xli9\L 󉞉}B<ƻ-aا; z&fHҫ1ɪ %\5Ƕ-&xĢfjYڵ},n3!t@/:ՃXIS%BYHW1jK0.t1ck<$ H׺Hg@HDex@ͣ-5!\|QiUDTZYWEDQeUDTYYUWEDՕQmUDT[YWEDQcUDXYvWVDVCFE@leu12 [Y] VVg++E@meu2`[Y] VVo++EܥAܥEܥAܥEܥAܥEܥAܥEܥAܥEܥAܥAW1/a?ovC4)Yž=mV#jvYю6ڑfe;RڬnGJHi)mVjwĴY6f;bڬ~GLi 1mV#jxĴY6feJu 'hSqBHrPs!/i=O6iaZNƢ ,X7qm"zZmq8آ:u=H랲rJ뎸0+vGͱJT?O,֋FJz|5y56F-13Qˠv:%bѨT"|quz)BgIW=MeLPڔJŨ?Q tP?Ym(p@1)tpQ:3 MOhNRS#)`6XܔJD;t~Ӭf+Ԇ<]O 6YFPt*kQ/Xx ,ֶDJ%*DlT6 .f :^jGl0Ts=@z!{ /.곅.Sq42tdO ZJZ*BbW:v!+r/1PΦ~7e&1] * #;(H A4'{e2e<#'^m Ḻtۇa۴1hjb|,ؚ`7+ sWֹІb0xbPo'o+%R_Dqvֱ- ?7IW$JJ8zHs]Q5K@"eIiѾrE/۱(LH@źG:>S D=%ZkrvLo J"`3VHSF"uQD]. ziW^=Q $i4*UI:=1،j"R̅ōjJS)WeEH*Icn2(I'!RYNB &AA %I: UJI} aaV&202;oJ TêRfJ'01V+@x%~.*ؔG:fKi=^Ai?sį~2?Rr"I/z-y\_bp2 R/w֥+|2,h]I.Er@*T\3GI:XWvXmx6:RvXCz\.+CFXb(qL㮜iMb.|Yv˳֪\':O@AJņ♀.$<>OFp9O@B:o& uVQC~yT+$rwףVWyz yM"e;f.VKΙecMgw:7`>3Ux3-S˝19Ǝ[>sGʆx҈Q+jxha̢61Lf3̂ 0> ,^@&4tg#_q+3FPnܞ hf;pHшt,<zDdE$%.=QN;7~ŰMxF߈`]&6.|L3v-lOXa#1e< `eޞE })5o3znv,8|jC"thȣoTI{t njBSTpfʈ3$;%з $RS'bP1#s_N!s(ŝ}6xElO\~np| zeȝA):72սC':Q㾶`ۖ;pn]B7{c;Pӫ%4OZJ܀G%tvjZqegKQJ|,k0R  X-JAU ea|hWEHx܈-3}`ً0]stN_XxbCAQo9uJk3"&er гrPP$olԎL?τկۓgv,l9.ra: í~ES^L\psft;:9IGM|JbSo=w:JL*pxmtwʑOg*?99yxzAISPKn?:>#xʖt-0A;J4Z~oG{&xJbsԞ;B 8ÓT`)!#UnCCl?TK5>Bj:콰h7dw hIzph?t=>VSS(dx8WA{ "Ej f3& 6ձ3z`#X  ^xgO;E[@FA,4Ɲ]$Gq+8F5}Z-ԬH(:wִTҶe^c\•w\Z0:ոwQ"0C 'ቧ #7Wƨ$0]0.W2uARpNdm>Qܾ\=CPX##0]ӛŰ| WRq!ﶙABmG͚R/+١Te}zI{ZG%MOMo}^@#miIVNہQ+T_X(nC ǟYT]ރbyt=dߚ)5JSb1K>y 37;n'?f,mTѦ jbB;|,j6M[l.]Vmbp0;䨔